diff --git a/dnsapi/dns_porkbun.sh b/dnsapi/dns_porkbun.sh
new file mode 100644
index 00000000..18da6b2f
--- /dev/null
+++ b/dnsapi/dns_porkbun.sh
@@ -0,0 +1,157 @@
+#!/usr/bin/env sh
+
+#
+#PORKBUN_API_KEY="pk1_0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+#PORKBUN_SECRET_API_KEY="sk1_0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+
+PORKBUN_Api="https://porkbun.com/api/json/v3"
+
+########  Public functions #####################
+
+#Usage: add  _acme-challenge.www.domain.com   "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
+dns_porkbun_add() {
+  fulldomain=$1
+  txtvalue=$2
+
+  PORKBUN_API_KEY="${PORKBUN_API_KEY:-$(_readaccountconf_mutable PORKBUN_API_KEY)}"
+  PORKBUN_SECRET_API_KEY="${PORKBUN_SECRET_API_KEY:-$(_readaccountconf_mutable PORKBUN_SECRET_API_KEY)}"
+
+  if [ -z "$PORKBUN_API_KEY" ] || [ -z "$PORKBUN_SECRET_API_KEY" ]; then
+    PORKBUN_API_KEY=''
+    PORKBUN_SECRET_API_KEY=''
+    _err "You didn't specify a Porkbun api key and secret api key yet."
+    _err "You can get yours from here https://porkbun.com/account/api."
+    return 1
+  fi
+
+  #save the credentials to the account conf file.
+  _saveaccountconf_mutable PORKBUN_API_KEY "$PORKBUN_API_KEY"
+  _saveaccountconf_mutable PORKBUN_SECRET_API_KEY "$PORKBUN_SECRET_API_KEY"
+
+  _debug 'First detect the root zone'
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  # For wildcard cert, the main root domain and the wildcard domain have the same txt subdomain name, so
+  # we can not use updating anymore.
+  #  count=$(printf "%s\n" "$response" | _egrep_o "\"count\":[^,]*" | cut -d : -f 2)
+  #  _debug count "$count"
+  #  if [ "$count" = "0" ]; then
+  _info "Adding record"
+  if _porkbun_rest POST "dns/create/$_domain" "{\"name\":\"$_sub_domain\",\"type\":\"TXT\",\"content\":\"$txtvalue\",\"ttl\":120}"; then
+    if _contains "$response" '\"status\":"SUCCESS"'; then
+      _info "Added, OK"
+      return 0
+    elif _contains "$response" "The record already exists"; then
+      _info "Already exists, OK"
+      return 0
+    else
+      _err "Add txt record error. ($response)"
+      return 1
+    fi
+  fi
+  _err "Add txt record error."
+  return 1
+
+}
+
+#fulldomain txtvalue
+dns_porkbun_rm() {
+  fulldomain=$1
+  txtvalue=$2
+
+  PORKBUN_API_KEY="${PORKBUN_API_KEY:-$(_readaccountconf_mutable PORKBUN_API_KEY)}"
+  PORKBUN_SECRET_API_KEY="${PORKBUN_SECRET_API_KEY:-$(_readaccountconf_mutable PORKBUN_SECRET_API_KEY)}"
+
+  _debug 'First detect the root zone'
+  if ! _get_root "$fulldomain"; then
+    return 1
+  fi
+  _debug _sub_domain "$_sub_domain"
+  _debug _domain "$_domain"
+
+  count=$(echo "$response" | _egrep_o "\"count\": *[^,]*" | cut -d : -f 2 | tr -d " ")
+  _debug count "$count"
+  if [ "$count" = "0" ]; then
+    _info "Don't need to remove."
+  else
+    record_id=$(echo "$response" | tr '{' '\n' | grep "$txtvalue" | cut -d, -f1 | cut -d: -f2 | tr -d \")
+    _debug "record_id" "$record_id"
+    if [ -z "$record_id" ]; then
+      _err "Can not get record id to remove."
+      return 1
+    fi
+    if ! _porkbun_rest POST "dns/delete/$_domain/$record_id"; then
+      _err "Delete record error."
+      return 1
+    fi
+    echo "$response" | tr -d " " | grep '\"status\":"SUCCESS"' >/dev/null
+  fi
+
+}
+
+####################  Private functions below ##################################
+#_acme-challenge.www.domain.com
+#returns
+# _sub_domain=_acme-challenge.www
+# _domain=domain.com
+_get_root() {
+  domain=$1
+  i=1
+  while true; do
+    h=$(printf "%s" "$domain" | cut -d . -f $i-100)
+    _debug h "$h"
+    if [ -z "$h" ]; then
+      return 1
+    fi
+
+    if _porkbun_rest POST "dns/retrieve/$h"; then
+      if _contains "$response" "\"status\":\"SUCCESS\""; then
+        _sub_domain="$(echo "$fulldomain" | sed "s/\\.$_domain\$//")"
+        _domain=$h
+        return 0
+      else
+        _debug "Go to next level of $_domain"
+      fi
+    else
+      _debug "Go to next level of $_domain"
+    fi
+    i=$(_math "$i" + 1)
+  done
+
+  return 1
+}
+
+_porkbun_rest() {
+  m=$1
+  ep="$2"
+  data="$3"
+  _debug "$ep"
+
+  api_key_trimmed=$(echo "$PORKBUN_API_KEY" | tr -d '"')
+  secret_api_key_trimmed=$(echo "$PORKBUN_SECRET_API_KEY" | tr -d '"')
+
+  test -z "$data" && data="{" || data="$(echo $data | cut -d'}' -f1),"
+  data="$data\"apikey\":\"$api_key_trimmed\",\"secretapikey\":\"$secret_api_key_trimmed\"}"
+
+  export _H1="Content-Type: application/json"
+
+  if [ "$m" != "GET" ]; then
+    _debug data "$data"
+    response="$(_post "$data" "$PORKBUN_Api/$ep" "" "$m")"
+  else
+    response="$(_get "$PORKBUN_Api/$ep")"
+  fi
+
+  _sleep 3 # prevent rate limit
+
+  if [ "$?" != "0" ]; then
+    _err "error $ep"
+    return 1
+  fi
+  _debug2 response "$response"
+  return 0
+}